{ "model": { "rank": 2298, "code": "thing-q9798", "model_id": "vr.tr.saxophone", "name": "saxophone", "purpose": "Enable an AI agent to recognise a saxophone, assess its playing readiness and determine compatible setup, use and maintenance actions.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q9798/", "tier": 2, "score": 110, "payload": { "layer": "wikidata", "aliases": [ "Selmer Radio Improved", "C melody saxophone", "slide saxophone", "tenor saxophone", "soprano saxophone", "soprillo", "contrabass saxophone", "mezzo-soprano saxophone", "Selmer Mark VII", "Selmer Balanced Action", "subcontrabass saxophone", "alto saxophone", "sopranino saxophone", "Selmer Cigar Cutter", "baritone saxophone", "bass saxophone", "C soprano saxophone", "Selmer Mark VI", "saxello", "Conn-O-Sax", "straight alto", "manzello" ], "aliasCount": 22, "merged": 22, "knownIn": 110, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q9798", "url": "https://www.wikidata.org/wiki/Q9798", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T11:27:10Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.0143888, "turns": 1, "seconds": 185.7, "error": null }, "codex": { "seconds": 77.4, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07b99-f503-78a2-a914-15c66f1ccc97\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: saxophone\nRegistry id: vr.tr.saxophone\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Ver" } } }, "metaModel": { "id": "THING-Q9798", "registryId": "vr.tr.saxophone", "name": "saxophone", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q9798/", "model": { "registry_id": "vr.tr.saxophone", "name": "saxophone", "purpose": "Enable an AI agent to recognise a saxophone, assess its playing readiness and determine compatible setup, use and maintenance actions.", "definition": "A saxophone is a transposing single-reed aerophone with a conical metal (normally brass) bore, a clarinet-type mouthpiece, and an octave key, classed in Hornbostel-Sachs as 422.212 and patented by Adolphe Sax in France in 1846 as a complete family in band (B♭/E♭) and orchestral (C/F) pitches.", "scope_statement": "This model owns an individual saxophone as a playable instrument, including its identifying configuration, acoustic behaviour, keywork, condition and relationships to fitted playing components.", "in_scope": [ "Saxophone identity, family member, nominal pitch and distinguishing construction", "Body, neck, tone holes, keys, pads and their functional relationships", "Compatibility and installed state of the neck, mouthpiece, reed and ligature", "Observed response, tuning, register transitions and mechanical condition", "Instrument-specific handling, cleaning, storage and repair readiness" ], "out_of_scope": [ "Player identity, health, skill development and practice history", "Compositions, arrangements, notation and performance interpretation", "Manufacturing operations and workshop business management", "Independent inventory and lifecycle records for reeds, mouthpieces, cases and tools", "Ownership transactions, insurance policies and market valuation" ], "distinguishing_features": [ "Check for a single reed fitted against a mouthpiece facing; a double-reed assembly or an air jet directed across an edge indicates a different excitation system.", "Check for a generally conical bore together with the single-reed mouthpiece; this combination helps distinguish a saxophone from a clarinet.", "Check for finger-operated keywork that opens and closes padded tone holes, rather than brass-instrument valves or a pitch-changing slide.", "Do not require a curved body or a particular finish: confirm identity through the bore, mouthpiece system and keywork when the instrument is straight or visually unusual." ], "characteristics": [ { "name": "Saxophone family member", "kind": "category", "unit_or_values": "soprano, alto, tenor, baritone, other documented type, unknown", "why_it_matters": "Guides identification, expected playing configuration and accessory selection." }, { "name": "Nominal pitch and transposition", "kind": "category", "unit_or_values": "documented pitch designation and written-to-sounding interval; unknown", "why_it_matters": "Prevents confusion between written notes, sounding notes and tuning faults." }, { "name": "Maker and model attribution", "kind": "relation", "unit_or_values": "maker/model reference supported by markings or documentation, with attribution confidence", "why_it_matters": "Supports configuration checks and selection of suitable service information." }, { "name": "Body and neck configuration", "kind": "category", "unit_or_values": "straight or curved body; integral or detachable neck; documented variant", "why_it_matters": "Determines assembly, support and inspection requirements." }, { "name": "Fitted playing components", "kind": "relation", "unit_or_values": "references to installed neck, mouthpiece, reed and ligature, with compatibility evidence", "why_it_matters": "A component can fit physically while still producing poor response or insecure attachment." }, { "name": "Keywork configuration", "kind": "category", "unit_or_values": "observed key layout, register mechanism and available range extensions", "why_it_matters": "Establishes which controls and note limits this instrument actually provides." }, { "name": "Pad sealing and key motion", "kind": "state", "unit_or_values": "untested, functioning, suspected leak or binding, confirmed fault; affected locations", "why_it_matters": "Connects playing problems to mechanical evidence and informs repair decisions." }, { "name": "Tuning deviation", "kind": "measurement", "unit_or_values": "cents by sounding note, with reference frequency, setup, player and test conditions", "why_it_matters": "Makes tuning observations interpretable and repeatable." }, { "name": "Response across registers", "kind": "state", "unit_or_values": "untested or recorded response by note/register, dynamic level and setup", "why_it_matters": "Identifies unstable attacks, restricted response and unreliable register changes." }, { "name": "Body and joint integrity", "kind": "state", "unit_or_values": "observed dents, cracks, deformation, corrosion, loose joints or previous repairs, with location", "why_it_matters": "Distinguishes cosmetic observations from faults that affect sealing, alignment or secure handling." }, { "name": "Instrument mass", "kind": "measurement", "unit_or_values": "kg, specifying fitted components", "why_it_matters": "Supports selection of an appropriate strap, harness or stand." } ], "affordances": [ "Identify the saxophone type and verify its actual pitch and keywork configuration.", "Select and fit compatible playing components while checking joint security and freedom of movement.", "Assess sealing, key action, response and tuning through documented inspections and playing tests.", "Prepare the instrument for playing with suitable support and an explicitly assessed readiness state.", "Remove moisture and store or transport the instrument using methods appropriate to its construction.", "Localise faults and distinguish routine setup or cleaning from work requiring an instrument repairer." ] }, "sources": [ { "id": "grove", "title": "Saxophone, Grove Music Online / The New Grove Dictionary of Music and Musicians (Oxford University Press)", "url": "", "what_it_supports": "Specialist definition, family members, invention and patent context, classification as a reed instrument despite the metal body." }, { "id": "cottrell-2012", "title": "The Saxophone, Stephen Cottrell (Yale University Press, 2012)", "url": "", "what_it_supports": "History of the two pitch families, practical kinds in use, pedagogy, jazz and classical roles, and why the B♭/E♭ chorus displaced the C/F orchestral chorus." }, { "id": "ingham-1998", "title": "The Cambridge Companion to the Saxophone, ed. Richard Ingham (Cambridge University Press, 1998)", "url": "", "what_it_supports": "SATB practice, conservatoire versus jazz setup, repertoire, and the Mule and Rascher schools." }, { "id": "hornbostel-sachs-1914", "title": "Systematik der Musikinstrumente, Erich M. von Hornbostel and Curt Sachs (Zeitschrift für Ethnologie, 1914)", "url": "", "what_it_supports": "Placement among single-reed instruments with conical bore (422.212), which is the identifier used by museums and MIMO." }, { "id": "wikipedia-saxophone", "title": "Saxophone (Wikimedia Foundation)", "url": "https://en.wikipedia.org/wiki/Saxophone", "what_it_supports": "Common names of the family members, Wikidata linkage, and a cross-check of range and transposition statements.", "url_status": "live" } ], "structure": { "bundles": [ { "id": "identity-and-configuration", "name": "Identity and configuration", "description": "Establishes which saxophone is present and which construction variant it represents.", "rationale": "Appearance alone cannot reliably establish saxophone type, pitch or available keywork.", "layers": [ { "id": "instrument-identification", "name": "Instrument identification", "description": "Connects physical evidence to a saxophone identity.", "findings": [ { "id": "saxophone-identification-evidence", "name": "Saxophone identification evidence", "description": "Records the mouthpiece system, bore form and keywork evidence supporting identification.", "questions": [ { "text": "What observed combination of reed, mouthpiece, bore and tone-hole controls identifies this instrument as a saxophone?", "kind": "definition", "id": "saxophone-identification-evidence-q01" }, { "text": "Which maker markings, model markings or documents support the attribution, and which parts remain uncertain?", "kind": "provenance", "id": "saxophone-identification-evidence-q02" } ] } ] }, { "id": "pitch-and-keywork-variant", "name": "Pitch and keywork variant", "description": "Separates nominal family membership from the instrument's observed configuration.", "findings": [ { "id": "documented-playing-configuration", "name": "Documented playing configuration", "description": "Records nominal pitch, transposition, body form and keywork limits without assuming a standard variant.", "questions": [ { "text": "What evidence establishes the family member, nominal pitch and written-to-sounding interval?", "kind": "provenance", "id": "documented-playing-configuration-q01" }, { "text": "Which lowest and highest keyed notes and additional controls does this example physically provide?", "kind": "boundary", "id": "documented-playing-configuration-q02" } ] } ] } ] }, { "id": "reed-and-air-column-setup", "name": "Reed and air-column setup", "description": "Describes the fitted components through which the player excites the instrument's air column.", "rationale": "Component mismatch or poor assembly can resemble an instrument fault and can prevent reliable playing.", "layers": [ { "id": "mouthpiece-reed-assembly", "name": "Mouthpiece and reed assembly", "description": "Captures the installed reed, mouthpiece and ligature as a working combination.", "findings": [ { "id": "reed-fit-and-function", "name": "Reed fit and function", "description": "Records fit, alignment, retention and observed reed condition.", "questions": [ { "text": "Which mouthpiece, reed and ligature are installed, and what supports their compatibility with each other and this saxophone?", "kind": "provenance", "id": "reed-fit-and-function-q01" }, { "text": "Is the reed intact, aligned and held securely while remaining free to vibrate?", "kind": "measurement", "id": "reed-fit-and-function-q02" } ] } ] }, { "id": "neck-and-mouthpiece-joints", "name": "Neck and mouthpiece joints", "description": "Examines the interfaces connecting the playing assembly to the body.", "findings": [ { "id": "joint-security-and-adjustment", "name": "Joint security and adjustment", "description": "Records neck compatibility, joint sealing and usable mouthpiece adjustment.", "questions": [ { "text": "Where a detachable neck is present, does it seat securely and align with the register mechanism without forced assembly?", "kind": "measurement", "id": "joint-security-and-adjustment-q01" }, { "text": "Can the mouthpiece be positioned for testing while retaining a secure seal, and what limits further adjustment?", "kind": "action", "id": "joint-security-and-adjustment-q02" } ] } ] } ] }, { "id": "keywork-and-sealing", "name": "Keywork and sealing", "description": "Records how keys, pads and linked mechanisms control the instrument's openings.", "rationale": "Leaks, binding and coordination faults can make notes unreliable even when the body appears intact.", "layers": [ { "id": "tone-hole-closure", "name": "Tone-hole closure", "description": "Assesses pad contact and closure at identified tone holes.", "findings": [ { "id": "pad-sealing-evidence", "name": "Pad sealing evidence", "description": "Distinguishes observed or tested leaks from symptoms that merely suggest them.", "questions": [ { "text": "Which pads and tone holes were checked, by what method, and where was incomplete closure observed?", "kind": "measurement", "id": "pad-sealing-evidence-q01" }, { "text": "What evidence distinguishes a sealing fault from a reed, setup or player-related response problem?", "kind": "boundary", "id": "pad-sealing-evidence-q02" } ] } ] }, { "id": "linked-key-motion", "name": "Linked key motion", "description": "Assesses key travel, return and coordinated operation, including register controls.", "findings": [ { "id": "keywork-coordination", "name": "Keywork coordination", "description": "Records sticking, lost motion, unwanted contact and failures of linked keys to act together.", "questions": [ { "text": "Which keys fail to move or return freely, or fail to coordinate with their linked keys?", "kind": "measurement", "id": "keywork-coordination-q01" }, { "text": "Does the register mechanism operate as intended for this model across the tested fingerings?", "kind": "measurement", "id": "keywork-coordination-q02" } ] } ] } ] }, { "id": "playing-response-and-tuning", "name": "Playing response and tuning", "description": "Captures repeatable observations of attacks, sustained notes, register changes and pitch.", "rationale": "Playability depends on the assembled instrument under stated conditions, not simply on visible completeness.", "layers": [ { "id": "response-testing", "name": "Response testing", "description": "Locates response problems by note, register and playing condition.", "findings": [ { "id": "response-test-observations", "name": "Response test observations", "description": "Records tested behaviour while keeping instrument, setup and player effects distinguishable.", "questions": [ { "text": "Under what player, reed, mouthpiece and dynamic conditions do attacks, sustained notes or register transitions become unreliable?", "kind": "measurement", "id": "response-test-observations-q01" }, { "text": "What controlled retest would help distinguish a setup-dependent symptom from a persistent instrument fault?", "kind": "action", "id": "response-test-observations-q02" } ] } ] }, { "id": "pitch-testing", "name": "Pitch testing", "description": "Relates measured sounding pitch to the instrument's intended pitch convention and test conditions.", "findings": [ { "id": "tuning-pattern", "name": "Tuning pattern", "description": "Records note-specific tuning observations and the effects of permitted setup adjustments.", "questions": [ { "text": "What pitch deviations were measured by sounding note, using which reference frequency and warm-up conditions?", "kind": "measurement", "id": "tuning-pattern-q01" }, { "text": "How does a documented mouthpiece-position adjustment affect the measured pattern across registers?", "kind": "measurement", "id": "tuning-pattern-q02" } ] } ] } ] }, { "id": "condition-care-and-readiness", "name": "Condition, care and readiness", "description": "Connects physical condition and support arrangements to immediate playing, care and service decisions.", "rationale": "A saxophone's projecting keywork, pads and fitted joints create specific handling and maintenance constraints.", "layers": [ { "id": "structural-condition", "name": "Structural condition", "description": "Locates damage and repairs in relation to the bore, tone holes, key supports and joints.", "findings": [ { "id": "damage-and-service-boundary", "name": "Damage and service boundary", "description": "Records condition evidence and identifies when further playing or adjustment should await assessment.", "questions": [ { "text": "Where are dents, cracks, corrosion, loose fittings or prior repairs, and what functional effects have actually been demonstrated?", "kind": "measurement", "id": "damage-and-service-boundary-q01" }, { "text": "Which observed faults require an instrument repairer's assessment before further assembly, adjustment or playing?", "kind": "action", "id": "damage-and-service-boundary-q02" } ] } ] }, { "id": "handling-and-moisture-care", "name": "Handling and moisture care", "description": "Determines appropriate support, moisture removal and protection for this configuration.", "findings": [ { "id": "care-and-use-readiness", "name": "Care and use readiness", "description": "Combines support compatibility, cleaning access and unresolved faults into a bounded readiness judgement.", "questions": [ { "text": "Which strap, harness, stand and case support this saxophone securely without loading vulnerable keywork?", "kind": "action", "id": "care-and-use-readiness-q01" }, { "text": "What moisture-removal and storage procedure is appropriate to its body, neck and mouthpiece, and which unresolved conditions limit readiness?", "kind": "action", "id": "care-and-use-readiness-q02" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Soprano saxophone (usually B♭; built straight or curved)", "Alto saxophone (E♭) - the default school-band and classical voice", "Tenor saxophone (B♭)", "Baritone saxophone (E♭)", "Bass saxophone (B♭)", "Sopranino saxophone (E♭)", "Contrabass saxophone (E♭)", "C-melody saxophone (C, non-transposing; a 1910s-1920s home and popular instrument, now uncommon)" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of saxophone this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "scheme": "Wikidata", "value_or_pattern": "Q42362", "note": "Item for the instrument family, not a single size." }, { "scheme": "Hornbostel-Sachs / MIMO", "value_or_pattern": "422.212", "note": "Single-reed instrument with conical bore; museums use this even though the body is metal." }, { "scheme": "WCO Harmonized System", "value_or_pattern": "9205.90 (national 8-10 digit splits often isolate saxophones, e.g. US HTS 9205.90.20)", "note": "Trade heading for wind musical instruments other than brass; exact national suffix varies." }, { "scheme": "General MIDI program", "value_or_pattern": "65-68", "note": "Soprano, alto, tenor, baritone saxophone patches; not a product identifier." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of saxophone this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "ISO 16:1975, Acoustics - Standard tuning frequency (A4 = 440 Hz) - International Organization for Standardization; the usual reference when a saxophone is tuned, though many ensembles sit at 441-442 Hz.", "There is no dedicated ISO, ASTM, or CEN construction standard for saxophone bore, keywork, or intonation; scale and mechanism remain maker-specific.", "Regulation (EC) No 1907/2006 (REACH) - European Union; nickel release from plated keywork and lead in brass alloys on instruments placed on the EU market.", "WCO Harmonized System heading 9205 - World Customs Organization; governs how saxophones are classified in trade, not how they are built." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of saxophone this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Lead and section voice in jazz combos and big bands (alto and tenor most often; baritone as bass voice).", "Standard SATB colour in concert, wind, and military bands, which was Sax's original intended market.", "Classical saxophone quartet (typically soprano-alto-tenor-baritone) and conservatoire solo repertoire.", "Horn-section colour in soul, funk, rock, ska, and pop recordings and tours.", "Beginning woodwind in many North American school band programmes, almost always starting on alto.", "Studio and media scoring when a jazz, urban, or lyrical reed timbre is wanted.", "Marching and street ensembles, played on a neck strap (baritone often with a harness or peg)." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of saxophone this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "quantity": "Written chromatic range on a common modern horn (before altissimo)", "typical_range": "B♭3-F6 (many horns add high F♯)", "unit": "scientific pitch notation" }, { "quantity": "Alto sounding range (E♭, major sixth below written)", "typical_range": "D♭3-A♭5", "unit": "scientific pitch notation" }, { "quantity": "Mass of a typical alto, assembled without case", "typical_range": "2.2-2.6", "unit": "kg" }, { "quantity": "Mass of a typical tenor, assembled without case", "typical_range": "3.3-4.0", "unit": "kg" }, { "quantity": "Mass of a typical baritone, assembled without case or stand", "typical_range": "5-7", "unit": "kg" }, { "quantity": "Alto mouthpiece tip opening", "typical_range": "1.50-2.50", "unit": "mm" }, { "quantity": "Ensemble tuning reference", "typical_range": "440-442", "unit": "Hz (A4)" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of saxophone this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Pad leaks and drifted key regulation: notes fail to speak, or individual tones go sharp or stuffy.", "Octave-mechanism misalignment or a blocked octave pip: unstable or split octaves.", "Compressed or rotten neck cork: mouthpiece seating leak and chronic flatness or air noise.", "Dents in the bow or tube: local change of conicity and intonation, especially on left-hand stack notes.", "Reed warp, chip, or waterlogging, and worn mouthpiece facing: the usual day-to-day playability failure.", "Sticky G♯ and other condensate-soaked pads after playing.", "Noise-induced hearing loss from high on-axis sound pressure in jazz, rock, and pit settings.", "Cervical and shoulder loading from the neck strap, severe on baritone and bass.", "Right-thumb and wrist strain at the thumb rest with long sessions.", "Allergic contact dermatitis from nickel-plated keys on student horns." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of saxophone this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "The surviving practical family is the B♭/E♭ band chorus; Sax's C/F orchestral chorus is effectively extinct except for the historical C-melody and rare F mezzo-soprano.", "United States: school-band pipeline starts on alto; jazz pedagogy dominates the popular image of the instrument.", "France and Belgium: classical conservatoire tradition (Marcel Mule / Paris school) and Sax's place of invention; Selmer Paris remains a reference professional make.", "German-speaking classical playing: Sigurd Rascher school - darker, wider concept, different mouthpiece and embouchure, sometimes different high-register practice.", "East Asia: large student-instrument manufacture (notably Japan and China) and strong school wind-ensemble culture.", "Straight soprano is preferred in much classical playing; curved soprano is more common in jazz and popular use.", "C-melody saxophones were a North American parlour and dance-band fashion in the 1910s-1920s and are now a specialist/historical type." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of saxophone this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "name": "Clarinet", "difference": "Cylindrical bore that overblows at the twelfth, with a register key; body is usually wood. The saxophone's conical bore overblows at the octave and uses an octave key." }, { "name": "Sarrusophone", "difference": "Also a conical metal family associated with Sax, but sounded with a double reed rather than a single-reed mouthpiece." }, { "name": "Modern tárogató", "difference": "Single-reed conical woodwind of similar idea, but a wooden body and different keywork and repertoire, not a brass saxophone." }, { "name": "Bass clarinet", "difference": "Single reed and overlapping low-register role, but a largely cylindrical bore that overblows at the twelfth; typically an extended low C/B♭ clarinet, not a conical sax." }, { "name": "Oboe", "difference": "Double-reed wooden conical instrument; overblows at the octave but with unrelated fingerings, reed, and timbre." }, { "name": "Trumpet or flugelhorn", "difference": "Labrosones: sound is made by lip vibration into a cup mouthpiece, with no cane reed and a brass-instrument harmonic series." }, { "name": "Electronic wind instrument (EWI)", "difference": "A MIDI or analog controller with saxophone-like fingering; there is no acoustic air column and no reed-coupled bore." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of saxophone this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which authoritative identification references should establish coverage of uncommon, historical and modified saxophone variants?", "What model-specific evidence is sufficient to approve replacement neck compatibility beyond physical fit?", "Which inspection and playing-test procedures provide repeatable readiness criteria without misattributing player or reed effects to the instrument?", "What manufacturer or repair guidance should define cleaning methods and the boundary between routine care and specialist adjustment for different materials and finishes?", "How should nonstandard pitch conventions, extended keywork and electronic additions be represented while preserving a single saxophone identity?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "questions": 28 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "device, machine or tool", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a saxophone, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise a saxophone, assess its playing readiness and determine compatible setup, use and maintenance actions.", "characteristics": { "substance": "material", "origin": "manufactured", "agency": "inert", "mobility": "varies" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: Selmer Radio Improved, C melody saxophone, slide saxophone, tenor saxophone, soprano saxophone, soprillo, contrabass saxophone, mezzo-soprano saxophone, Selmer Mark VII, Selmer Balanced Action, subcontrabass saxophone, alto saxophone.", "22 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 110 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a saxophone, and on what evidence are they told apart?" ], "whatItIsMadeOf": "matter you can touch", "physicalCharacter": [ "Mobility varies between examples.", "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Recognised by form, by the arrangement of its controls, and by markings - a plate, a model number, a certification mark. Form alone rarely separates two models that do very different things." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "Selmer Radio Improved", "C melody saxophone", "slide saxophone", "tenor saxophone", "soprano saxophone", "soprillo", "contrabass saxophone", "mezzo-soprano saxophone", "Selmer Mark VII", "Selmer Balanced Action", "subcontrabass saxophone", "alto saxophone" ] } ], "standing": "Described in 110 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 22 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one saxophone from another, and a saxophone from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a saxophone, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a saxophone, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a saxophone is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a saxophone, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a saxophone, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a saxophone is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a saxophone sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a saxophone, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a saxophone, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a saxophone is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a saxophone from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a saxophone, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a saxophone, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a saxophone is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "form-and-composition", "name": "Form, composition and condition", "description": "What a saxophone is made of, what shape and size it takes, and what state it is in.", "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.", "layers": [ { "id": "form-and-dimensions", "name": "Form and dimensions", "description": "Shape, size, mass and the ranges these take across examples.", "findings": [ { "id": "measurable-dimensions", "name": "Measurable dimensions and their units", "description": "The quantities worth recording and the units they are recorded in.", "questions": [ { "id": "measurable-dimensions-q01", "text": "What identifies and describes the dimensions of a saxophone, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "measurable-dimensions-q02", "text": "Who or what asserted this about the dimensions of a saxophone, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "measurable-dimensions-q03", "text": "What may an agent decide or do once the dimensions of a saxophone is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "material-and-composition", "name": "Material and composition", "description": "Materials, parts and how they are put together.", "findings": [ { "id": "parts-and-materials", "name": "Parts and materials", "description": "What a saxophone is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a saxophone, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "parts-and-materials-q02", "text": "Who or what asserted this about the composition of a saxophone, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "parts-and-materials-q03", "text": "What may an agent decide or do once the composition of a saxophone is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "condition-and-integrity", "name": "Condition and integrity", "description": "Wear, damage, health and the difference between working and broken.", "findings": [ { "id": "condition-assessment", "name": "Condition, damage and health", "description": "How the condition of a saxophone is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a saxophone, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "condition-assessment-q02", "text": "Who or what asserted this about the condition of a saxophone, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "condition-assessment-q03", "text": "What may an agent decide or do once the condition of a saxophone is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "place-and-movement", "name": "Place and movement", "description": "Where a saxophone is, how it got there and where it may go (varies).", "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.", "layers": [ { "id": "location-and-placement", "name": "Location and placement", "description": "Position, containment and the reference frame the position is given in.", "findings": [ { "id": "position-and-frame", "name": "Position, container and reference frame", "description": "Where a saxophone is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a saxophone, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "position-and-frame-q02", "text": "Who or what asserted this about the location of a saxophone, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "position-and-frame-q03", "text": "What may an agent decide or do once the location of a saxophone is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "movement-and-transfer", "name": "Movement and transfer", "description": "How a saxophone is carried, installed or relocated.", "findings": [ { "id": "movement-events", "name": "Movement events and constraints", "description": "What counts as a movement, what records it and what limits it.", "questions": [ { "id": "movement-events-q01", "text": "What identifies and describes the movement of a saxophone, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "movement-events-q02", "text": "Who or what asserted this about the movement of a saxophone, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "movement-events-q03", "text": "What may an agent decide or do once the movement of a saxophone is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a saxophone passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a saxophone between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a saxophone, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a saxophone, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a saxophone is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a saxophone, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a saxophone is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a saxophone, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a saxophone, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a saxophone is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "function-and-principle", "name": "Function and operating principle", "description": "What saxophone is for and how it achieves it.", "rationale": "Two devices with the same name can work on different principles, and the principle is what predicts failure and constrains use.", "layers": [ { "id": "intended-function", "name": "Intended function", "description": "The job it does, and the jobs it is used for anyway.", "findings": [ { "id": "function-record", "name": "Function, principle and variants", "description": "What it does, how, and which variants do it differently.", "questions": [ { "id": "function-record-q01", "text": "What function does saxophone perform, on what operating principle, and which variants differ in that principle?", "kind": "definition" }, { "id": "function-record-q02", "text": "What use falls outside the intended function but happens in practice?", "kind": "boundary" } ] } ] }, { "id": "capacity-and-rating", "name": "Capacity and rating", "description": "The numbers that say what it can do and where it stops.", "findings": [ { "id": "ratings", "name": "Ratings and their conditions", "description": "Rated capacity, power, throughput and the conditions each assumes.", "questions": [ { "id": "ratings-q01", "text": "What ratings characterise saxophone, in what units, and under what stated conditions?", "kind": "measurement" }, { "id": "ratings-q02", "text": "What happens beyond the rating - degradation, refusal, damage - and how is that detected?", "kind": "action" } ] } ] } ] }, { "id": "operation-and-state", "name": "Operation, controls and state", "description": "How saxophone is operated and what state it is in right now.", "rationale": "An agent acting on a device needs its current state and the controls that change it, not just its specification.", "layers": [ { "id": "controls-and-modes", "name": "Controls and modes", "description": "What can be set, what that changes, and what is interlocked.", "findings": [ { "id": "control-surface", "name": "Control surface and interlocks", "description": "The settings available and the conditions that block them.", "questions": [ { "id": "control-surface-q01", "text": "What controls and modes does saxophone have, and what does each change?", "kind": "definition" }, { "id": "control-surface-q02", "text": "Which actions are interlocked or forbidden in which state, and what must be true before acting?", "kind": "action" } ] } ] }, { "id": "condition-and-maintenance", "name": "Condition and maintenance", "description": "Wear, service intervals, consumables and the line between working and broken.", "findings": [ { "id": "service-record", "name": "Condition, service and consumables", "description": "What is consumed, what is serviced, and how condition is judged.", "questions": [ { "id": "service-record-q01", "text": "What consumables and service does saxophone need, at what interval, and on whose authority?", "kind": "measurement" }, { "id": "service-record-q02", "text": "What evidence separates a unit that is working from one that is out of service?", "kind": "boundary" } ] } ] } ] }, { "id": "kind-model-unit", "name": "Kind, model and unit", "description": "Whether a claim about saxophone is about the kind, a product line, or one physical unit.", "rationale": "This is the boundary most often got wrong for made things, and getting it wrong mixes a catalogue entry with the machine in the yard.", "layers": [ { "id": "level-of-reference", "name": "Level of reference", "description": "The three levels and what belongs at each.", "findings": [ { "id": "level-rules", "name": "What belongs to kind, model and unit", "description": "Which properties are shared by all of them and which are not.", "questions": [ { "id": "level-rules-q01", "text": "Which facts about saxophone hold for every one of them, which for a model, and which only for one unit?", "kind": "boundary" }, { "id": "level-rules-q02", "text": "What identifies an individual unit, and what should an agent do when it has only the kind?", "kind": "action" } ] } ] }, { "id": "standards-and-conformity", "name": "Standards and conformity", "description": "The standards a working example must meet and who attests it.", "findings": [ { "id": "conformity", "name": "Standards, marks and attestation", "description": "Which standard applies, who certifies, and what the mark means.", "questions": [ { "id": "conformity-q01", "text": "Which standards govern saxophone, issued by whom, and what does conformity actually assert?", "kind": "provenance" }, { "id": "conformity-q02", "text": "What may an agent conclude from a certification mark, and what may it not?", "kind": "boundary" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a saxophone came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a saxophone and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a saxophone, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a saxophone, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a saxophone is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a saxophone is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a saxophone, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a saxophone, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a saxophone is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 8, "layers": 17, "findings": 19, "questions": 51 } } } }